I would not recommend staying here unless they remove fingerprint access(which you won't be able to use) This building don't want short term rental and makes it hard for you to access it. You have to check in through parking lot, and everytime you go into building you have to go into parking lot second floor and call somebody to come open door or you can wait around in the lobby for someone else to go through the doors and sneak in with them, felt uncomfortable with staff in reception looking at you when doing this. It is possible to walk out through reception due to cardreader on the inside.
Studio itself was simple and a bit run down but ok enough for a short stay and is definitely thai standards, On the bright side this is a great location if you want to party at RCA.